中国科学院数学与系统科学研究院期刊网
Existence of Single and Multiple Solutions for First Order Periodic Boundary Value Problems
Xiao-ning Lin, Hong Wang, Da-qing Jiang
Existence of Single and Multiple Solutions for First Order Periodic Boundary Value Problems
Xiao-ning Lin, Hong Wang, Da-qing Jiang
应用数学学报(英文版) . 2007, (2): 289 -302 .